FI914579A0 - OPTICAL STROEMTRANSFORMATOR. - Google Patents

OPTICAL STROEMTRANSFORMATOR.

Info

Publication number
FI914579A0
FI914579A0 FI914579A FI914579A FI914579A0 FI 914579 A0 FI914579 A0 FI 914579A0 FI 914579 A FI914579 A FI 914579A FI 914579 A FI914579 A FI 914579A FI 914579 A0 FI914579 A0 FI 914579A0
Authority
FI
Finland
Prior art keywords
stroemtransformator
optical
optical stroemtransformator
Prior art date
Application number
FI914579A
Other languages
Finnish (fi)
Other versions
FI914579A (en
FI102116B1 (en
FI102116B (en
Inventor
Roland Stierlin
Original Assignee
Asea Brown Boveri
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Publication of FI914579A0 publication Critical patent/FI914579A0/en
Publication of FI914579A publication Critical patent/FI914579A/en
Application granted granted Critical
Publication of FI102116B1 publication Critical patent/FI102116B1/en
Publication of FI102116B publication Critical patent/FI102116B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
    • G01R15/246—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect based on the Faraday, i.e. linear magneto-optic, effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12004—Combinations of two or more optical elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
FI914579A 1990-09-28 1991-09-27 Optical current transformer FI102116B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90118643A EP0477415B1 (en) 1990-09-28 1990-09-28 Optical current transducer

Publications (4)

Publication Number Publication Date
FI914579A0 true FI914579A0 (en) 1991-09-27
FI914579A FI914579A (en) 1992-03-29
FI102116B1 FI102116B1 (en) 1998-10-15
FI102116B FI102116B (en) 1998-10-15

Family

ID=8204535

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914579A FI102116B (en) 1990-09-28 1991-09-27 Optical current transformer

Country Status (5)

Country Link
US (1) US5304920A (en)
EP (1) EP0477415B1 (en)
JP (1) JPH04244969A (en)
DE (1) DE59010223D1 (en)
FI (1) FI102116B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702051B1 (en) * 1993-02-22 1995-04-14 Balteau France Optical device for measuring the intensity of the electric current.
EP0622646A1 (en) * 1993-04-28 1994-11-02 Siemens Aktiengesellschaft Opto-electronic integrated circuit
EP0650066B1 (en) * 1993-10-21 2000-05-17 Fuji Electric Co. Ltd. Optical current transducer
EP0776477B1 (en) * 1994-08-23 1998-05-20 Siemens Aktiengesellschaft Method and device for the measurement of electric currents in at least two measurement ranges
DE19517128A1 (en) * 1995-05-10 1996-11-14 Siemens Ag Alternating magnetic field measurement
US5736737A (en) * 1995-11-22 1998-04-07 Dawson; Jay W. Concatenated magneto-optic field sensors
DE19703128A1 (en) * 1997-01-29 1998-08-06 Abb Research Ltd Magneto-optical current sensor
US8202053B2 (en) * 2008-03-19 2012-06-19 General Electric Company Micro-electromechanical current sensing apparatus
DE112014003851B4 (en) 2013-08-22 2020-12-24 Leoni Kabel Gmbh Sensor assembly
EP3358359B1 (en) * 2017-02-01 2019-08-28 Siemens Aktiengesellschaft Printed circuit board with implanted optical current sensor
DE102018216482A1 (en) 2018-09-26 2020-03-26 Siemens Aktiengesellschaft Glass ring and method for optical current measurements

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116149A1 (en) * 1981-04-23 1982-11-11 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen FIBER OPTICAL ARRANGEMENT FOR MEASURING THE STRENGTH OF AN ELECTRICAL CURRENT I USING THE FARADAY EFFECT
US4564754A (en) * 1982-03-08 1986-01-14 Hitachi, Ltd. Method and apparatus for optically measuring a current
FR2603705B1 (en) * 1986-09-05 1988-10-28 Thomson Csf INTEGRATED MAGNETIC FIELD HEAD AND ITS MANUFACTURING METHOD
US4745357A (en) * 1987-03-23 1988-05-17 Westinghouse Electric Corp. Optical interface for a magneto-optical current transducer
FR2613839B1 (en) * 1987-04-10 1990-11-16 Alsthom METHOD FOR UPDATING THE SCALE FACTOR OF AN APPARATUS FOR MEASURING THE INTENSITY OF AN FARADAY AC AC CURRENT
US4899042A (en) * 1987-11-17 1990-02-06 The Boeing Company Integrated optic field sensor consisting of an interferometer formed in substrate
DE3807606A1 (en) * 1988-03-09 1989-09-21 Fraunhofer Ges Forschung Process for the production of a birefringent strip waveguide in an integrated optical component, and an integrated optical component produced by the process
EP0356670B1 (en) * 1988-08-31 1993-10-06 Asea Brown Boveri Ag Fibre-optical current sensor
US5029273A (en) * 1990-02-02 1991-07-02 The University Of British Columbia Integrated optics Pockels cell voltage sensor
US5051577A (en) * 1990-03-20 1991-09-24 Minnesota Mining And Manufacturing Company Faraday effect current sensor having two polarizing fibers at an acute angle
JPH0476476A (en) * 1990-07-19 1992-03-11 Ngk Insulators Ltd Optical magnetic field sensor

Also Published As

Publication number Publication date
FI914579A (en) 1992-03-29
JPH04244969A (en) 1992-09-01
FI102116B1 (en) 1998-10-15
EP0477415B1 (en) 1996-03-20
DE59010223D1 (en) 1996-04-25
EP0477415A1 (en) 1992-04-01
US5304920A (en) 1994-04-19
FI102116B (en) 1998-10-15

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: ASEA BROWN BOVERI AG